US3385405A - Drum brake support - Google Patents
Drum brake support Download PDFInfo
- Publication number
- US3385405A US3385405A US592856A US59285666A US3385405A US 3385405 A US3385405 A US 3385405A US 592856 A US592856 A US 592856A US 59285666 A US59285666 A US 59285666A US 3385405 A US3385405 A US 3385405A
- Authority
- US
- United States
- Prior art keywords
- plates
- zone
- drum brake
- brake
- support structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000003825 pressing Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241001559589 Cullen Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
- F16D2125/22—Mechanical mechanisms converting rotation to linear movement or vice versa acting transversely to the axis of rotation
- F16D2125/28—Cams; Levers with cams
- F16D2125/30—Cams; Levers with cams acting on two or more cam followers, e.g. S-cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/44—Mechanical mechanisms transmitting rotation
- F16D2125/56—Shafts for transmitting torque directly
Definitions
- a support structure for a drum brake comprises two plates secured together face to face over an inner zone, and secured together over an outer zone, the plates being so shaped relative to each other that they are spaced apart over a zone intermediate the inner and outer zones.
- Such a construction can be very strong for its weight.
- the plates are preferably additionally secured together by one or more tie members extending between two plates in the above-mentioned intermediate zone, and the (or each) tie member may be tubular and capable of accommodating an element of the brake mechanism such as an anchor pin or a camshaft.
- FIGURE 1 is an exploded perspective view of the components of the structure
- FIGURE 2 is a sketch, to a smaller scale, indicating areas over which the two plates may be welded together;
- FIGURES 3 and 4 are transverse sections, to a larger scale of the upper and lower portions, respectively, of the structure, and
- FIGURES 5 and 6 are views, similar to FIGURES 3 and 4, of a modified structure.
- the structure comprises two steel pressings 1 and 2, of which the front pressing 1 is formed with a peripheral flange 3 and offset portions 4 and 5, and the rear pressing 2 is formed with a flanged boss 6.
- the two plates are secured together along an outer zone by seam welding at their peripheries, and at an inner zone by the bolts which secure the structure to an axle housing flange, the bolts passing through holes 7 surrounding the central apertures of the plates.
- the plates are spaced apart, and are additionally secured together by tie members in the form of tubes 8, 9 welded at their ends in holes in the respective plates.
- the tubes are open at their ends to receive elements of the brake mechanism.
- the top tube 8 receives a camshaft 10 which is journalled in plain bearings 11, e.g. of plastics material, and which carries at its inner end a brake operating cam 12, and the two lower tubes 9 each receive an anchor pin 13 secured in the tube by a nut 14.
- a retaining plate 15 is removably secured to the inner ends of the anchor pins 13 by bolts 16. The spacing between the plate 15 and co-operating shoulders on the pins 13 is suflicient to accommodate brake shoes whose width is increased by reinforcing webs thereon.
- the structure is completed by a dirt shield secured to the rear pressing 2.
- the tubes 8 and 9 may be of fabricated construction, for example the tube 8 may consists of two half pressings having diametrically opposed outer flanges which are welded together, and which may be received in radial slots 17 extending from the hole in the rear pressing 2 which receives the tube. In cutting the pressings blanks from sheet material can be saved by inclining the edges of the webs.
- the two lower tubes 9 can similarly be formed from half pressings, each having a pair of semicircular recesses, distinct to form half tubes, connected integrally by a web. The webs, and integral, outwardly projecting reinforcing flanges, can be welded to the plates 1 and 2 for greater rigidity.
- the plates 1 and 2 may be of different thicknesses, say /8" and A, or A3" and A", or may be of equal thickness, say 4;".
- FIGURES 5 and 6 The modified structure shown in FIGURES 5 and 6 is generally similar to that described above, the main difference being that the rear pressing 2 has a peripheral flange 2A extending towards and Welded to the flange 3 of the pressing 1. Fabrication is assisted by the use of narrow fillets 22 inserted locally between the flanges 2A and 3.
- FIGURE 6 also shows a brake shoe 24 mounted on the anchor pin 13, the shoe being of channel cross section with a bush 26 welded between its webs.
- a support structure comprising two plates each having an inner zone and an outer zone, means securing said two plates together over said outer zone, means securing said two plates together in face-to-face contact over said inner Zone, mounting means for other elements of said brake, and means spacing said plates apart in a zone intermediate said inner and outer zones.
- a support structure as claimed in claim 4, wherein said tie means consists of a first tubular member for accommodating a brake operating camshaft, and second and third tubular members for accommodating respective anchor pins.
Description
y 1963 I J. CULLEN 3,385,405
DRUM BRAKE SUPPORT Filed Nov. 8, 1966 2 Sheets-Sheet 1 2 Sheets-Sheet 2 Filed Nov. 8, 1966 United States Patent 3,385,405 DRUM BRAKE SUPPORT John Leslie Cullen, Tyseley, Birmingham, England, assignor to Girling Limited Filed Nov. 8, 1966, Ser. No. 592,856 Claims. (Cl. 188-406) This invention relates to drum brakes, and provides a new and improved construction of support structures upon which the brake elements are mounted.
In accordance with a feature of the invention, a support structure for a drum brake comprises two plates secured together face to face over an inner zone, and secured together over an outer zone, the plates being so shaped relative to each other that they are spaced apart over a zone intermediate the inner and outer zones.
Such a construction can be very strong for its weight.
The plates are preferably additionally secured together by one or more tie members extending between two plates in the above-mentioned intermediate zone, and the (or each) tie member may be tubular and capable of accommodating an element of the brake mechanism such as an anchor pin or a camshaft.
One form of support structure in accordance with the invention and modification will now be described, by way of example only, with reference to the accompanying drawings, in which:
FIGURE 1 is an exploded perspective view of the components of the structure;
FIGURE 2 is a sketch, to a smaller scale, indicating areas over which the two plates may be welded together;
FIGURES 3 and 4 are transverse sections, to a larger scale of the upper and lower portions, respectively, of the structure, and
FIGURES 5 and 6 are views, similar to FIGURES 3 and 4, of a modified structure.
The structure comprises two steel pressings 1 and 2, of which the front pressing 1 is formed with a peripheral flange 3 and offset portions 4 and 5, and the rear pressing 2 is formed with a flanged boss 6. The two plates are secured together along an outer zone by seam welding at their peripheries, and at an inner zone by the bolts which secure the structure to an axle housing flange, the bolts passing through holes 7 surrounding the central apertures of the plates. Intermediate these zones the plates are spaced apart, and are additionally secured together by tie members in the form of tubes 8, 9 welded at their ends in holes in the respective plates.
The tubes are open at their ends to receive elements of the brake mechanism. Thus, the top tube 8 receives a camshaft 10 which is journalled in plain bearings 11, e.g. of plastics material, and which carries at its inner end a brake operating cam 12, and the two lower tubes 9 each receive an anchor pin 13 secured in the tube by a nut 14. A retaining plate 15 is removably secured to the inner ends of the anchor pins 13 by bolts 16. The spacing between the plate 15 and co-operating shoulders on the pins 13 is suflicient to accommodate brake shoes whose width is increased by reinforcing webs thereon.
The structure is completed by a dirt shield secured to the rear pressing 2.
"Ice
The tubes 8 and 9 may be of fabricated construction, for example the tube 8 may consists of two half pressings having diametrically opposed outer flanges which are welded together, and which may be received in radial slots 17 extending from the hole in the rear pressing 2 which receives the tube. In cutting the pressings blanks from sheet material can be saved by inclining the edges of the webs. The two lower tubes 9 can similarly be formed from half pressings, each having a pair of semicircular recesses, distinct to form half tubes, connected integrally by a web. The webs, and integral, outwardly projecting reinforcing flanges, can be welded to the plates 1 and 2 for greater rigidity.
With the above described construction, the support structure is given great strength and rigidity for its weight. The plates 1 and 2 may be of different thicknesses, say /8" and A, or A3" and A", or may be of equal thickness, say 4;".
The modified structure shown in FIGURES 5 and 6 is generally similar to that described above, the main difference being that the rear pressing 2 has a peripheral flange 2A extending towards and Welded to the flange 3 of the pressing 1. Fabrication is assisted by the use of narrow fillets 22 inserted locally between the flanges 2A and 3. FIGURE 6 also shows a brake shoe 24 mounted on the anchor pin 13, the shoe being of channel cross section with a bush 26 welded between its webs.
I claim:
1. In or for a drum brake, a support structure comprising two plates each having an inner zone and an outer zone, means securing said two plates together over said outer zone, means securing said two plates together in face-to-face contact over said inner Zone, mounting means for other elements of said brake, and means spacing said plates apart in a zone intermediate said inner and outer zones.
2. A support structure as claimed in claim 1, wherein one of said plates has a peripheral flange secured to the periphery of the other of said plates, one of said plates has an inner, raised boss secured to the other of said plates, and said flange and boss together define said intermediate zone.
3. A support structure as claimed in claim 1, further comprising tie means extending between said plates in said intermediate zone and securing said plates together.
4. A support structure as claimed in claim 3, wherein said tie means consists of at least one open ended tubular member for accommodating a further element of said drum brake.
5. A support structure as claimed in claim 4, wherein said tie means consists of a first tubular member for accommodating a brake operating camshaft, and second and third tubular members for accommodating respective anchor pins.
References Cited FOREIGN PATENTS 609,650 5/1926 France. 1,059,228 11/1953 France.
DUANE A. REGER, Primary Examiner.
Claims (1)
1. IN OR FOR A DRUM BRAKE, A SUPPORT STRUCTURE COMPRISING TWO PLATES EACH HAVING AN INNER ZONE AND AN OUTER ZONE, MEANS SECURING SAID TWO PLATES TOGETHER OVER SAID OUTER ZONE, MEANS SECURING SAID TWO PLATES TOGETHER IN FACE-TO-FACE CONTACT OVER SAID INNER ZONE, MOUNTING MEANS FOR OTHER ELEMENTS OF SAID BRAKE, AND MEANS SPACING SAID PLATES APART IN A ZONE INTERMEDIATE SAID INNER AND OUTER ZONES.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US592856A US3385405A (en) | 1966-11-08 | 1966-11-08 | Drum brake support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US592856A US3385405A (en) | 1966-11-08 | 1966-11-08 | Drum brake support |
Publications (1)
Publication Number | Publication Date |
---|---|
US3385405A true US3385405A (en) | 1968-05-28 |
Family
ID=24372335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US592856A Expired - Lifetime US3385405A (en) | 1966-11-08 | 1966-11-08 | Drum brake support |
Country Status (1)
Country | Link |
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US (1) | US3385405A (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061429A (en) * | 1976-10-26 | 1977-12-06 | General Motors Corporation | Wheel brake assembly |
EP0205664A2 (en) * | 1985-06-26 | 1986-12-30 | Rockwell International Corporation | Brake support assembly |
US5301774A (en) * | 1990-06-26 | 1994-04-12 | Fruehauf Trailer Corporation | Brake spider assembly |
US5896958A (en) * | 1994-07-28 | 1999-04-27 | Lucas Industries Public Limited Company | Drum brake with divided brake support plate |
US20050022658A1 (en) * | 2002-07-12 | 2005-02-03 | Kyle Bateman | Modular ballistic wall |
US20060107985A1 (en) * | 2004-04-13 | 2006-05-25 | Sovine H A | Modular shoot house facility |
US20070051570A1 (en) * | 2005-08-23 | 2007-03-08 | Hendrickson Bruce W | Brake spider |
US20080022847A1 (en) * | 2001-12-12 | 2008-01-31 | Kyle Bateman | Ballistic Joint |
US20090096173A1 (en) * | 2001-12-12 | 2009-04-16 | Kyle Bateman | Bullet trap |
US20090179382A1 (en) * | 2007-11-07 | 2009-07-16 | Nicholas Stincelli | Omnidirectional target system |
US20100013162A1 (en) * | 2005-08-19 | 2010-01-21 | Thomas Wright | Method for using a multifunction target actuator |
US20100193303A1 (en) * | 2009-02-05 | 2010-08-05 | Bendix Spicer Foundation Brake Llc | Brake spider weldment and anchor pin assembly |
US8469364B2 (en) | 2006-05-08 | 2013-06-25 | Action Target Inc. | Movable bullet trap |
US8579294B2 (en) | 2010-12-21 | 2013-11-12 | Action Target Inc. | Emergency stopping system for track mounted movable bullet targets and target trolleys |
US8684361B2 (en) | 2011-01-17 | 2014-04-01 | Action Target Inc. | Target system |
US9217623B2 (en) | 2013-03-25 | 2015-12-22 | Action Target Inc. | Bullet deflecting baffle system |
US9784538B2 (en) | 2015-01-16 | 2017-10-10 | Action Target Inc. | High caliber target |
US9927216B2 (en) | 2015-01-16 | 2018-03-27 | Action Target Inc. | Target system |
US10295314B2 (en) | 2016-01-15 | 2019-05-21 | Action Target Inc. | Moveable target carrier system |
US10876821B2 (en) | 2017-01-13 | 2020-12-29 | Action Target Inc. | Software and sensor system for controlling range equipment |
US11029134B2 (en) | 2018-01-06 | 2021-06-08 | Action Target Inc. | Target carrier system having advanced functionality |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR609650A (en) * | 1926-01-09 | 1926-08-18 | Car brake shoe hinge pin bracket | |
US1898139A (en) * | 1930-04-05 | 1933-02-21 | Stille Werner Ab | Driving aggregate for motor power and hand power |
US2442401A (en) * | 1943-01-27 | 1948-06-01 | United Shoe Machinery Corp | Fuse setter and rammer |
FR1059228A (en) * | 1951-06-28 | 1954-03-23 | Improvements to internal segment brakes, in particular for vehicle wheels | |
US2968380A (en) * | 1957-01-30 | 1961-01-17 | Curtiss Wright Corp | Spring clutch mechanisms |
US3034624A (en) * | 1959-07-13 | 1962-05-15 | Gen Electric | Actuating device for spring clutch mechanism |
US3062345A (en) * | 1960-03-11 | 1962-11-06 | Burroughs Corp | Clutch mechanism |
US3104745A (en) * | 1961-07-10 | 1963-09-24 | Ibm | Two-torque spring slip clutch |
US3186530A (en) * | 1962-12-26 | 1965-06-01 | Petroff Ass | Coil spring clutch with brake |
US3385406A (en) * | 1965-05-18 | 1968-05-28 | Rite Size Corrugated Machinery | Spring clutch mechanism |
-
1966
- 1966-11-08 US US592856A patent/US3385405A/en not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR609650A (en) * | 1926-01-09 | 1926-08-18 | Car brake shoe hinge pin bracket | |
US1898139A (en) * | 1930-04-05 | 1933-02-21 | Stille Werner Ab | Driving aggregate for motor power and hand power |
US2442401A (en) * | 1943-01-27 | 1948-06-01 | United Shoe Machinery Corp | Fuse setter and rammer |
FR1059228A (en) * | 1951-06-28 | 1954-03-23 | Improvements to internal segment brakes, in particular for vehicle wheels | |
US2968380A (en) * | 1957-01-30 | 1961-01-17 | Curtiss Wright Corp | Spring clutch mechanisms |
US3034624A (en) * | 1959-07-13 | 1962-05-15 | Gen Electric | Actuating device for spring clutch mechanism |
US3062345A (en) * | 1960-03-11 | 1962-11-06 | Burroughs Corp | Clutch mechanism |
US3104745A (en) * | 1961-07-10 | 1963-09-24 | Ibm | Two-torque spring slip clutch |
US3186530A (en) * | 1962-12-26 | 1965-06-01 | Petroff Ass | Coil spring clutch with brake |
US3385406A (en) * | 1965-05-18 | 1968-05-28 | Rite Size Corrugated Machinery | Spring clutch mechanism |
Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061429A (en) * | 1976-10-26 | 1977-12-06 | General Motors Corporation | Wheel brake assembly |
EP0205664A2 (en) * | 1985-06-26 | 1986-12-30 | Rockwell International Corporation | Brake support assembly |
EP0205664A3 (en) * | 1985-06-26 | 1987-08-19 | Rockwell International Corporation | Brake support assembly |
US5301774A (en) * | 1990-06-26 | 1994-04-12 | Fruehauf Trailer Corporation | Brake spider assembly |
US5896958A (en) * | 1994-07-28 | 1999-04-27 | Lucas Industries Public Limited Company | Drum brake with divided brake support plate |
US20080022847A1 (en) * | 2001-12-12 | 2008-01-31 | Kyle Bateman | Ballistic Joint |
US20090096173A1 (en) * | 2001-12-12 | 2009-04-16 | Kyle Bateman | Bullet trap |
US9228810B2 (en) | 2001-12-12 | 2016-01-05 | Action Target Inc. | Bullet trap |
US20100187761A1 (en) * | 2001-12-12 | 2010-07-29 | Kyle Bateman | Bullet trap |
US20050022658A1 (en) * | 2002-07-12 | 2005-02-03 | Kyle Bateman | Modular ballistic wall |
US20060107985A1 (en) * | 2004-04-13 | 2006-05-25 | Sovine H A | Modular shoot house facility |
US8016291B2 (en) | 2005-08-19 | 2011-09-13 | Action Target Inc. | Multifunction target actuator |
US20100013162A1 (en) * | 2005-08-19 | 2010-01-21 | Thomas Wright | Method for using a multifunction target actuator |
US8550465B2 (en) | 2005-08-19 | 2013-10-08 | Action Target Inc. | Multifunction target actuator |
US20100276888A1 (en) * | 2005-08-19 | 2010-11-04 | Thomas Wright | Multifunction Target Actuator |
US7914004B2 (en) | 2005-08-19 | 2011-03-29 | Action Target Inc. | Method for using a multifunction target actuator |
US20070051570A1 (en) * | 2005-08-23 | 2007-03-08 | Hendrickson Bruce W | Brake spider |
US8469364B2 (en) | 2006-05-08 | 2013-06-25 | Action Target Inc. | Movable bullet trap |
US7950666B2 (en) | 2007-11-07 | 2011-05-31 | Action Target Inc. | Omnidirectional target system |
US8162319B2 (en) | 2007-11-07 | 2012-04-24 | Action Target Inc. | Method for advancing and retracting a target |
US20110180997A1 (en) * | 2007-11-07 | 2011-07-28 | Nicholas Stincelli | Omnidirectional target system |
US20090179382A1 (en) * | 2007-11-07 | 2009-07-16 | Nicholas Stincelli | Omnidirectional target system |
CN102308111A (en) * | 2009-02-05 | 2012-01-04 | 本迪克斯斯派塞基础制动有限责任公司 | Brake spider wweldment and anchor pin assembly |
US20100193303A1 (en) * | 2009-02-05 | 2010-08-05 | Bendix Spicer Foundation Brake Llc | Brake spider weldment and anchor pin assembly |
US8579294B2 (en) | 2010-12-21 | 2013-11-12 | Action Target Inc. | Emergency stopping system for track mounted movable bullet targets and target trolleys |
US8684361B2 (en) | 2011-01-17 | 2014-04-01 | Action Target Inc. | Target system |
US9217623B2 (en) | 2013-03-25 | 2015-12-22 | Action Target Inc. | Bullet deflecting baffle system |
US9784538B2 (en) | 2015-01-16 | 2017-10-10 | Action Target Inc. | High caliber target |
US9927216B2 (en) | 2015-01-16 | 2018-03-27 | Action Target Inc. | Target system |
US10168128B2 (en) | 2015-01-16 | 2019-01-01 | Action Target Inc. | High caliber target |
US10539402B2 (en) | 2015-01-16 | 2020-01-21 | Action Target Inc. | Target bracket |
US10295314B2 (en) | 2016-01-15 | 2019-05-21 | Action Target Inc. | Moveable target carrier system |
US10876821B2 (en) | 2017-01-13 | 2020-12-29 | Action Target Inc. | Software and sensor system for controlling range equipment |
US11585642B2 (en) | 2017-01-13 | 2023-02-21 | Action Target Inc. | Software and sensor system for controlling range equipment |
US11029134B2 (en) | 2018-01-06 | 2021-06-08 | Action Target Inc. | Target carrier system having advanced functionality |
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